Because it is commonly combined with stimulants such as caffeine
and meth. Not all however are stimulants. People refer to some
ecstasy as being "smacky" as in heroine or codeine was used
(depressants) instead of the more common stimulants.
its a stimulant at the begining only (with low dose), then to
have the same wanted effect, one has to increase the dose and
frequency of intake. That will poison the organism and organs.
Ectasy can be considered as non opiate narcotic agents.
Ecstasy (MDMA) can act as a stimulant, hallucinogen, and
entactogen. Also common impurities in ecstasy pills like
amphetamines definitely are stimulates.